Cyclopaedia of American literature :
embracing personal and critical notices of authors, and selections from their writings. From the earliest period to the present day : With portraits, autographs, and other illustrations /
By Evert A. Duyckinck and George L. Duyckinck.

APA Citation

Duyckinck, E. A. (Evert Augustus)., Duyckinck, G. L. (George Long). (1855). Cyclopaedia of American literature: embracing personal and critical notices of authors, and selections from their writings. From the earliest period to the present day : With portraits, autographs, and other illustrations. New York: Charles Scribner.

MLA Citation

Duyckinck, Evert A. (Evert Augustus), 1816-1878, and George L. (George Long) Duyckinck. Cyclopaedia of American Literature: Embracing Personal And Critical Notices of Authors, And Selections From Their Writings. From the Earliest Period to the Present Day : With Portraits, Autographs, And Other Illustrations. New York: Charles Scribner, 1855.

Warning: These citations may not always be complete (especially for serials).